How many different D-2-ketohexoses are there?

A) 2
B) 4
C) 8
D) 16


B

Environmental & Atmospheric Sciences

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The banning of TV set and computer disposal in landfills by 35 states in the U.S. is expected to

a. cause interstate smuggling of e-waste b. be regulated by the federal government c. be voted down by consumers during the next general election d. set the stage for an emerging highly profitable e-recycling industry e. none of these answers

Environmental & Atmospheric Sciences

Macroalgae take advantage of surface/volume ratios by exposing wide, flattened blades to sunlight and nutrient-rich water.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

A condition that causes a system to change dramatically is a:

a. mental map b. threshold c. model d. subsystem

Environmental & Atmospheric Sciences

The acceptance of a theory or hypothesis is based on _______.

a. a preponderance of evidence b. a hunch c. a belief d. the pronouncements of authorities e. common sense

Environmental & Atmospheric Sciences